Searching for Beach Glass Explore the Hudson River shoreline for beach glass to discover how they form, their color variations, and how common they might be. Saturday, 1:00 pm. Croton Point Nature Center

Teatown History Hunt Using a map and clues, discover the natural and human history of Teatown. Part quest, part hike, this program will have you knee deep in fascinating facts about the local landscape. Saturday, 10:00 am. Teatown Lake Reservation

Stone Barns Inside Take a behind-the-scenes tour of the livestock, greenhouse and planting fields. Get up close and personal with the animals and find out the staff's favorite places at the farm. Saturday, 11:00 am. Stone Barns Center for Food and Agriculture

The Many Adventures of Winnie the Pooh This funny, warm collection includes the classics Winnie the Pooh and the Honey Tree, Winnie the Pooh and the Blustery Day, and Winnie the Pooh and Tigger Too! Saturday and Sunday, 12:00 pm. Jacob Burns Film Center